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Unexpected species richness of the lichen genus Protoblastenia (Lecanorales, Psoraceae) in Finland

by: Pykälä, Juha; Myllys, Leena

Publication date: 2025-10-29
Usage: Attribution 4.0 International
Topics: Calcareous rocks, DNA barcoding, Italy, ITS, lichenised fungi, new species, Norway, phylogeny
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 124
Item Size: 47.1M

Abstract: The taxonomy of
Protoblastenia
in Finland was studied, based on morphology and molecular data (nuITS rDNA sequences). Twenty species were recognised, with sixteen species being newly described here:
P. arupii
sp. nov.
,
P. borealis
sp. nov.
,
P. compressa
sp. nov.
,
P. dolomitica
sp. nov.
,
P. ekmanii
sp. nov.
,
P. fennoarctica
sp. nov.
,
P. minuta
sp. nov.
,
P. oulankaensis
sp. nov.
,
P. pseudocompressa
sp. nov.
,
P. pseudoterricola
sp. nov.
,
P. remota
sp. nov.
,
P. rikkinenii
sp. nov.
,
P. saanaensis
sp. nov.
,
P. timdalii
sp. nov.
,
P. violacea
sp. nov.
and
P. westbergii
sp. nov.
All species are confined to calcareous rocks, except
P. terricola
which also grows on calcareous soil. The calcareous fells in Enontekiö in NW Finland were identified as hot spots of
Protoblastenia
diversity. Nine newly-described species (
P. arupii
,
P. fennoarctica
,
P. minuta
,
P. pseudoterricola
,
P. rikkinenii
,
P. saanaensis
,
P. timdalii
,
P. violacea
and
P. westbergii
) are restricted to this area in Finland. Several of the species are semi-cryptic. On average, they may have minor morphological differences, but many specimens cannot be identified, based on morphology only.
Protoblastenia rikkinenii
is reported from Norway and
P. oulankaensis
from Italy, based on GenBank sequences. Full descriptions and a preliminary key of
Protoblastenia
in Finland are provided.
Addeddate: 2025-10-29 16:05:10
Bhl_virtual_titleid: 210915
Bhl_virtual_volume: v.124 (2025)
Call number: 10_3897_mycokeys_124_162802
Call-number: 10_3897_mycokeys_124_162802
Foldoutcount: 0
Genre: article
Identifier: unexpectedspeci124pyka
Identifier-ark: ark:/13960/s2qkphgwg1w
Identifier-bib: 10_3897_mycokeys_124_162802
Identifier-doi: 10.3897/mycokeys.124.162802
Ocr: tesseract 5.3.0-6-g76ae
Ocr_detected_lang: en
Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
Ocr_detected_script_conf: 1.0000
Ocr_module_version: 0.0.21
Ocr_parameters: -l eng
Page_number_confidence: 75
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Page_range: 193-226
Pages: 34
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: MycoKeys 124
Year: 2025